Flight Recorders

Question 1

FDR

Answer 1

All a/c over 5700kg or multi eng turbo props and jets seating more than 9 seats must have FDR

Question 2

Digital flight recorders

Answer 2

~must start recording autmatically before a/c moves its own power
~energised 5mins after the battery selected on
~water resistent to 4100m
~resistent to fire fire corrosion
~under ater location beacon ,range 3 miles ,duration 30 days

Question 3

CVR

Answer 3

~records from engine start to eng shut down
~endless loops sytem (most recent 30 min or 120 min)

Question 4

CVR control panel

Answer 4

~cockpit are microphone
~headphone jack
~test switch
~status light
~erase switch
~CVR switch

Powered when 115ac is supplied to the a/c

Question 5

FDR

Answer 5

~continuous recording of 25 hours worth of data
~from 5min after batteries switcehn on ,or when eng is started
~stops when eng shutdown

Question 6

DFDR parameteres

Answer 6

~time
~attiude
~airspeed
~pressure altitude
~heading
~normal accleration g
~eng thrust
~thrust lever posiotn
~flap /slats actual psotion and selcted postion
~ground spoiler and speed brake selction

Question 7

A/c condtion monitorng

Answer 7

~monitor sys performance to identify and predict maintance needs
~investigate safety relaqted incidents
~identify flight safety trends and help focus

Question 8

AIDS (aircraft intergrated data system)

Answer 8

~stored info can be printed out in flight or on the ground ,or transmitted via ACARS

Answer 9

Data can be sent to the operator without crew knowing it

Via ACRS,VHF,HF or SATCOM

On the ground
~data plg ,data card
~flight deck printer
~mobile phone

Question 10

ACMS recorded parametes

Answer 10

~air con sys
~auto flight
~flight controls
~fuel sys
~fuel sys
~landing gear
~nav sys
~pneumatic sys
~apu
~eng
~cdu /mcdu